diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index f90f557d353f..273dece1382c 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -142,8 +142,8 @@ This file should be imported by eng/Versions.props
     <!-- dotnet/core-setup dependencies -->
     <NETStandardLibraryRefPackageVersion>2.1.0</NETStandardLibraryRefPackageVersion>
     <!-- microsoft/testfx dependencies -->
-    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.26059.2</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>4.1.0-preview.26059.2</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.26064.3</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>4.1.0-preview.26064.3</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 4c50df10238c..58f4c7a87b7d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -561,13 +561,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>fe158d9692179d1316d11bf67b264c4509176f7e</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.26059.2">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.26064.3">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>d61d2db2a58b6baea78f5cd2402335dfd311c7c7</Sha>
+      <Sha>2462bf58f6bf1460d767166d8f15390a9c6c7920</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="4.1.0-preview.26059.2">
+    <Dependency Name="MSTest" Version="4.1.0-preview.26064.3">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>d61d2db2a58b6baea78f5cd2402335dfd311c7c7</Sha>
+      <Sha>2462bf58f6bf1460d767166d8f15390a9c6c7920</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.3">
       <Uri>https://github.com/dotnet/dotnet</Uri>